@article{oai:rikkyo.repo.nii.ac.jp:00018012,
 author = {四日市, 康博 and Yokkaichi, Yasuhiro},
 issue = {2},
 journal = {史苑},
 month = {May},
 note = {P(論文)},
 pages = {27--29},
 title = {緒言 (<特集>一三―一四世紀はアジア史の分水嶺か？)},
 volume = {79},
 year = {2019}
}